Added rack.session.options rack key to WebMock::RackResponse for Rails 4 compatibility
Added rack.session.options rack key to WebMock::RackResponse for Rails 4 compatibility

hobodave/webmock,xuwupeng2000/webmock,hilben/webmock,avantcredit/webmock,ixti/webmock,VincentZhao/webmock,taiki45/webmock,arronmabrey/webmock,davidbegin/webmock,influxdb/webmock,henrik/webmock,spjsschl/webmock,maruware/webmock,Omnihuron/webmock,sinisterstuf/webmock,sferik/webmock,bblimke/webmock